Waltham U.S.A WWII British Royal Navy issue pocket timer, 'A...

Waltham U.S.A WWII British Royal Navy issue pocket timer, 'Admiralty Pattern No.6', signed dial, the case back with issue markings 'PATT 6 ^ U8489', 57mm - ** Issued to the British Royal Navy during WWII. It was a crucial instrument used in anti-submarine warfare, specifically with ASDIC (an early form of sonar) equipment to measure the range of enemy submarines ** From the David Read Collection

Estimación:€70.73

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